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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.4786
  Security Bulletin: IBM Integration Bus & IBM App Connect Enterprise are
 affected by a Websphere Application Server Vulnerability (CVE-2019-4046)
                             23 December 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM Integration Bus
                   IBM App Connect
Publisher:         IBM
Operating System:  Linux variants
                   AIX
                   Windows
                   Solaris
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-4046  

Reference:         ESB-2019.3731
                   ESB-2019.3507
                   ESB-2019.2845
                   ESB-2019.2771

Original Bulletin: 
   https://www.ibm.com/support/pages/node/1150936

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: IBM Integration Bus & IBM App Connect Enterprise are
affected by a Websphere Application Server Vulnerability (CVE-2019-4046)

Document Information

Product            : IBM Integration Bus
Component          : -
Software version   : V10
Operating system(s): Linux
                     AIX
                     Windows
                     Solaris
Edition            : -

Summary

IBM Integration Bus and IBM App Connect Enterprise are affected by a WebSphere
Application Server vulnerability which was reported and has been addressed.
Vulnerability details are listed below

Vulnerability Details

CVEID: CVE-2019-4046
DESCRIPTION: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is
vulnerable to a denial of service, caused by improper handling of request
headers. A remote attacker could exploit this vulnerability to cause the
consumption of Memory. IBM X-Force ID: 156242.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities
/156242 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

IBM App Connect Enterprise  V11.0.0.0 - V11.0.0.5

IBM Integration Bus V10.0.0.0 - V10.0.0.17

IBM Integration Bus V9.0.0.0 - V9.0.0.11

Remediation/Fixes

+-------------------+-----------------------+-------+-----------------------------------------------------------+
|Product            |VRMF                   |APAR   |Remediation/Fixes                                          |
+-------------------+-----------------------+-------+-----------------------------------------------------------+
|IBM App Connect    |V11.0.0.0-V11.0.0.6    |IT30352|The APAR is available in fix pack 11.0.0.6                 |
|                   |                       |       |IBM App Connect Enterprise Version V11 - Fix Pack 11.0.0.6 |
+-------------------+-----------------------+-------+-----------------------------------------------------------+
|IBM Integration Bus|V10.0.0.0 - V10.0.0.17 |IT30352|The APAR is available in fix pack 10.0.0.18                |
|                   |                       |       |IBM Integration Bus V10.0 - Fix Pack 10.0.0.18             |
+-------------------+-----------------------+-------+-----------------------------------------------------------+
|IBM Integration Bus|V9.0.0.0 - V9.0.0.11   |IT30352|Contact IBM support to request for Fix APAR                |
+-------------------+-----------------------+-------+-----------------------------------------------------------+
IBM Integration Bus v9  is  no longer in full support;IBM recommends upgrading
to a fixed, supported version/release/platform of the product.

If you are a customer with extended support and require a fix, contact IBM
support

Workarounds and Mitigations

None

Change History

09 Dec 2019: Initial Publication

*The CVSS Environment Score is customer environment specific and will
ultimately impact the Overall CVSS Score. Customers can evaluate the impact of
this vulnerability in their environments by accessing the links in the
Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT
OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

Document Location

Worldwide

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